input {
    border-color: rgb(63, 152, 242);
}

input[type="text"] {
    width: 200px;
}

.xxdz {
    width: 200px;
    height: 100px;
    border:2px solid rgb(63, 152, 242);
}

#tj {
    border: none;
    width: 70px;
    height: 50px;
    color: aliceblue;
    background-color: rgb(16, 88, 242);
    border-radius: 6px;
}

input:focus, .xxdz:focus{
    /* 去除原来的 */
    outline: none;
    border:2px solid red;
}